4 Tips for Improving Grammar Learning: What the research says
In a recent Journal of Neuroscience article, scientists tested people’s ability to learn and to notice differences in a stream of input (much like learning to distinguish Past Simple and Present Perfect). Some participants practiced extensively and improved. Others alternated shorter practice sessions with receptive tasks and improved just as much.
The conclusion?
Repeated practice is effective, but it can be tedious and is difficult to maintain over a period of years. It is better to mix up productive and receptive practice as much as possible. …